Removing

• Removing interior trim of front door: Front door trim: removing and installation; front door trim: removing and installation.
• Unplug electrical connectors -2 and 3-; to do so, pull locking element and press release mechanism downwards.
• Disconnect connector -4-.
• Unplug electrical connector -1- at door control unit and move clear.
• Press retaining catch -5- in direction of -arrow- and disengage door control unit from door shell.

fitting

• Installation is done in reverse order of removal operations.

Removing and installing ignition key battery

Special tools and workshop equipment required

• Release lever - U30800-

Removing

• Fold out the key -arrow A-.
• With the lever - U30800- , remove the cover in the direction of the -arrow b-.
• On the intended tabs of the key body, remove the battery from its mount using a small flat-headed screwdriver.

Installing

Note

• Ensure correct polarity and mounting position when installing battery.
• The poles and the battery specification are embossed on the inside of the key cover.

• Insert the battery in the direction of the -arrow- into its mount making sure that the positive pole is visible (pointing upwards).
• Press down on the battery in order to engage tight in the mount.
• Fit the key cover and press on until you can hear a characteristic "clicking" sound.

Key programming

Note

• A new key (or several keys) is programmed using the vehicle diagnosis tester .
• This process also includes programming the remote control.

- Select:

• Bodywork
• Electrical system
• 01 - Self-diagnosis-compatible systems
• 09 - Onboard supply control unit - J519
• 09 - Onboard supply control unit, functions
• 09 - Check vehicle key with the remote control